package com.atguigu.lease.web.app.service.impl;

import com.atguigu.lease.common.constants.RedisConstant;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.jwt.JwtUtil;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.model.entity.UserInfo;
import com.atguigu.lease.model.enums.BaseStatus;
import com.atguigu.lease.web.app.service.LoginService;
import com.atguigu.lease.web.app.service.UserInfoService;
import com.atguigu.lease.web.app.vo.user.LoginVo;
import com.atguigu.lease.web.app.vo.user.UserInfoVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Random;
import java.util.concurrent.TimeUnit;

@Service
public class LoginServiceImpl implements LoginService {
    @Autowired
    private RedisTemplate<String,Object> redisTemplate;

    @Autowired
    private UserInfoService userInfoService;

    @Override
    public void sendCode(String phone) {
        String key = RedisConstant.APP_LOGIN_PREFIX +phone;

        StringBuilder sb = new StringBuilder();
        Random random = new Random();
        for (int i = 0; i < 6; i++) {
            sb.append(random.nextInt(10));
        }
        String code = sb.toString();
        System.out.println("验证码是"+code);
        redisTemplate.opsForValue().set(key,code,RedisConstant.APP_LOGIN_CODE_TTL_SEC, TimeUnit.SECONDS);
    }

    @Override
    public String login(LoginVo loginVo) {
        String key = RedisConstant.APP_LOGIN_PREFIX + loginVo.getPhone();
        String code = (String) redisTemplate.opsForValue().get(key);
        if(code==null|| !code.equals(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }

        LambdaQueryWrapper<UserInfo> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(UserInfo::getPhone,loginVo.getPhone());
        UserInfo userInfo = userInfoService.getOne(lambdaQueryWrapper);

        if(userInfo==null){
            userInfo = new UserInfo();
            userInfo.setPhone(loginVo.getPhone());
            userInfo.setAvatarUrl("http://www.baidu.com/img/bd_logo.png");

            userInfo.setNickname("佚名"+loginVo.getPhone().substring(7));
            userInfo.setStatus(BaseStatus.ENABLE);
            userInfoService.save(userInfo);
        }
        if(userInfo.getStatus()== BaseStatus.DISABLE){
            throw new LeaseException(ResultCodeEnum.APP_ACCOUNT_DISABLED_ERROR);
        }
        String token = JwtUtil.createToken(userInfo.getId(),userInfo.getPhone());
        return token;
    }

    @Override
    public UserInfoVo info(String accessToken) {
        Integer userId =(Integer) JwtUtil.parseToken(accessToken).get("userId");

        UserInfo userInfo = userInfoService.getById(userId);
        UserInfoVo userInfoVo = new UserInfoVo(userInfo.getNickname(),userInfo.getAvatarUrl());
        return userInfoVo;
    }
}
